Trail Dust

#d0c4ac

A yellow that is nearly neutral — the hue shows only against a true grey. It is very light — it works as a page background, not as text.

Hex

#d0c4ac

RGB

208, 196, 172

OKLCh

82.4% 0.035 84.6°

CIELAB (D50)

79.7, 1.4, 13.7

What is true of this colour, and of no other

31 other named colours sit within ΔE00 2 of it — this part of the space is crowded, and the names here are finer distinctions than most people make.
It uses only 21% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
As text on white it measures APCA Lc 31.2; on black, Lc -71.6. The sign is the polarity, which the WCAG ratio discards.
Built into an eleven-step scale, 10 of the 10 adjacent pairs stay ΔE00 2 apart — see the ramp.
protanopia and deuteranopia and tritanopia shift it by ΔE00 6.0 and 6.2 and 14.6 — no red cone.

Text on this colour

White text

1.73:1 — fails AA

Black text

12.17:1 — passes AA

Black text is the better of the two at12.17:1. That is enough for body text.

As text on white, it needs to change

#81765f is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved.

Try it against your own background

The same colour, with one cone missing

As you see it

#d0c4ac

protanopia

#c5c5ac · ΔE00 6.0

deuteranopia

#c8c8ac · ΔE00 6.2

tritanopia

#caca74 · ΔE00 14.6

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isNomadic Taupe at ΔE00 0.5: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

Nomadic TaupeΔE00 0.5 · #d2c6ae
Threaded LoomΔE00 0.505 · #cec2aa
Dry RiverbedΔE00 0.767 · #d2c5ae
Yuma SandΔE00 0.94 · #cfc5ae
Salt ScrubΔE00 1.014 · #d0c6af
Pistachio ShellΔE00 1.029 · #cfc5af
Ancient RelicΔE00 1.062 · #ccc1ab
Russian ToffeeΔE00 1.114 · #d0c4af
In for the NightΔE00 1.155 · #d2c4a9
Parlour TaupeΔE00 1.296 · #d4c6af
Sheepskin RugΔE00 1.341 · #cbbfa6
Khaki ShadeΔE00 1.388 · #d4c5ac

11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.